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YARN-4771. Some containers can be skipped during log aggregation after NM

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restart. Contributed by Jason Lowe and Jim Brennan.
This commit is contained in:
Eric Badger 2020-07-24 22:35:16 +00:00
parent e60096c377
commit ac5f21dbef
2 changed files with 18 additions and 17 deletions
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9
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/NodeStatusUpdaterImpl.java
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@ -777,8 +777,13 @@ public void removeVeryOldStoppedContainersFromCache() {
while (i.hasNext()) { while (i.hasNext()) {
Entry<ContainerId, Long> mapEntry = i.next(); Entry<ContainerId, Long> mapEntry = i.next();
ContainerId cid = mapEntry.getKey(); ContainerId cid = mapEntry.getKey();
if (mapEntry.getValue() < currentTime) { if (mapEntry.getValue() >= currentTime) {
break;
}
if (!context.getContainers().containsKey(cid)) { if (!context.getContainers().containsKey(cid)) {
ApplicationId appId =
cid.getApplicationAttemptId().getApplicationId();
if (isApplicationStopped(appId)) {
i.remove(); i.remove();
try { try {
context.getNMStateStore().removeContainer(cid); context.getNMStateStore().removeContainer(cid);
@ -786,8 +791,6 @@ public void removeVeryOldStoppedContainersFromCache() {
LOG.error("Unable to remove container " + cid + " in store", e); LOG.error("Unable to remove container " + cid + " in store", e);
} }
} }
} else {
break;
} }
} }
} }

22
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/TestNodeStatusUpdater.java
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@ -931,9 +931,8 @@ public void deleteBaseDir() throws IOException {
public void testRecentlyFinishedContainers() throws Exception { public void testRecentlyFinishedContainers() throws Exception {
NodeManager nm = new NodeManager(); NodeManager nm = new NodeManager();
YarnConfiguration conf = new YarnConfiguration(); YarnConfiguration conf = new YarnConfiguration();
conf.set( conf.setInt(NodeStatusUpdaterImpl.
NodeStatusUpdaterImpl.YARN_NODEMANAGER_DURATION_TO_TRACK_STOPPED_CONTAINERS, YARN_NODEMANAGER_DURATION_TO_TRACK_STOPPED_CONTAINERS, 1);
"10000");
nm.init(conf); nm.init(conf);
NodeStatusUpdaterImpl nodeStatusUpdater = NodeStatusUpdaterImpl nodeStatusUpdater =
(NodeStatusUpdaterImpl) nm.getNodeStatusUpdater(); (NodeStatusUpdaterImpl) nm.getNodeStatusUpdater();
@ -948,18 +947,17 @@ public void testRecentlyFinishedContainers() throws Exception {
nodeStatusUpdater.addCompletedContainer(cId); nodeStatusUpdater.addCompletedContainer(cId);
Assert.assertTrue(nodeStatusUpdater.isContainerRecentlyStopped(cId)); Assert.assertTrue(nodeStatusUpdater.isContainerRecentlyStopped(cId));
// verify container remains even after expiration if app
// is still active
nm.getNMContext().getContainers().remove(cId); nm.getNMContext().getContainers().remove(cId);
long time1 = System.currentTimeMillis(); Thread.sleep(10);
int waitInterval = 15; nodeStatusUpdater.removeVeryOldStoppedContainersFromCache();
while (waitInterval-- > 0 Assert.assertTrue(nodeStatusUpdater.isContainerRecentlyStopped(cId));
&& nodeStatusUpdater.isContainerRecentlyStopped(cId)) {
// complete the application and verify container is removed
nm.getNMContext().getApplications().remove(appId);
nodeStatusUpdater.removeVeryOldStoppedContainersFromCache(); nodeStatusUpdater.removeVeryOldStoppedContainersFromCache();
Thread.sleep(1000);
}
long time2 = System.currentTimeMillis();
// By this time the container will be removed from cache. need to verify.
Assert.assertFalse(nodeStatusUpdater.isContainerRecentlyStopped(cId)); Assert.assertFalse(nodeStatusUpdater.isContainerRecentlyStopped(cId));
Assert.assertTrue((time2 - time1) >= 10000 && (time2 - time1) <= 250000);
} }
@Test(timeout = 90000) @Test(timeout = 90000)